App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 465 · 40 questions

Developer's tip (Design for everyone): Our rule: text is at least 16 px; every icon has a text label for screen readers. Add captions to videos; never use colour as the only clue. Big touch targets and strong contrast help everyone.

1. 1.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) everyone (d) only experts
2. 2.🔍 Which is the odd one out? (a) text that can grow (b) captions on videos (c) colour as the only clue (d) labels on every icon
3. 3.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) colour as the only clue (d) fast-flashing lights
4. 4.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to slow them down (d) to hide the sound
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 19 px
   Footer: 27 px
   Caption: 19 px
   Menu: 10 px (a) Body text (b) Menu (c) Footer (d) Caption
6. 6.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
7. 7.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
8. 8.🔍 Which is the odd one out? (a) icons with no labels (b) strong colour contrast (c) captions on videos (d) labels on every icon
9. 9.Which of these helps everyone use the app? (a) icons with no labels (b) labels on every icon (c) colour as the only clue (d) tiny tap areas
10. 10.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) icons with no labels (d) text that can grow
11. 11.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 11 px
    Body text: 22 px
    Menu: 15 px
13. 13.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
14. 14.Which of these helps everyone use the app? (a) big touch targets (b) tiny tap areas (c) fast-flashing lights (d) icons with no labels
15. 15.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a text label (c) a sound (d) a long animation
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 13 px
    Label: 18 px
    Body text: 28 px (a) Label (b) Body text (c) Hint
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 13 px
    Caption: 17 px
    Footer: 27 px
    Label: 24 px (a) Label (b) Footer (c) Caption (d) Body text
18. 18.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) sudden loud sounds (d) strong colour contrast
19. 19.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) captions on videos (d) sudden loud sounds
20. 20.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) tiny tap areas (d) big touch targets
21. 21.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
22. 22.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
23. 23.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
24. 24.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) strong colour contrast (d) tiny tap areas
25. 25.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) plays music (d) makes text tiny
26. 26.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
27. 27.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 24 px
    Hint: 18 px
    Caption: 19 px
    Body text: 13 px
    Menu: 26 px (a) Body text (b) Hint (c) Caption (d) Footer
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 14 px
    Footer: 22 px
    Hint: 27 px
    Title: 25 px (a) Footer (b) Hint (c) Title (d) Caption
30. 30.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) tiny tap areas (d) strong colour contrast
31. 31.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
32. 32.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
33. 33.🔍 Which is the odd one out? (a) icons with no labels (b) captions on videos (c) sudden loud sounds (d) fast-flashing lights
34. 34.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
35. 35.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
36. 36.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
37. 37.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
38. 38.Which of these makes the app harder to use? (a) captions on videos (b) big touch targets (c) fast-flashing lights (d) text that can grow
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Hint: 17 px
    Menu: 19 px
    Footer: 25 px
    Body text: 9 px (a) Hint (b) Menu (c) Body text (d) Title
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 10 px
    Hint: 17 px
    Body text: 20 px (a) Title (b) Body text (c) Hint

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